Counter should be synchronized by sync()
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Key: HAMA-515
URL: https://issues.apache.org/jira/browse/HAMA-515
Project: Hama
Issue Type: New Feature
Affects Versions: 0.4.0
Reporter: Thomas Jungblut
Priority: Minor
Fix For: 0.5.0
We should synchronize the counters in all tasks after a sync() call.
Then someone can use it for flow control. E.G. graph related algorithms, to get
the number of globally updated vertices.
Two options to solve this:
-Sync the whole stuff over RPC from the BSPMaster
-Use Zookeeper for counter handling
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